EPIGOMPHUS., 171 
backwardly (caudad), the truncated margin crenulate. Inferior 
appendage three-fourths as long as the superiors, bifid in its apical 
half, branches much less divaricate than the superiors, each branch 
with a simple obtuse apex and 4-5 superior denticles in a row parallel 
to its imner margin, the last denticle the largest and the only one 
visible in profile view; right and left sides of the inferior appendage 
almost straight, slightly diverging, so that the distance between the 
tips of the branches is a little more than twice the width of either 
branch at base, opposite edges of the two branches at first subparallel, 
then widely diverging. Abdomen 42, hind wing 37-38 mm. . . . 3. tumefactus. 
Females. 
Spines of the distal half of the antero-inferior row, third femora, 5 in number, 
much longer than the spines on any other part of these, or of the first or 
second, femora, and nearly as long as the tibial spines, femora pale yellow 
(teneral) ; pterostigma of front wings 4 mm. long; median dorsal third 
of occiput slightly elevated, no (or but rudimentary) lateral superior 
tubercles. Abdominal segments 1-5 19, hind wing 834mm. . . . . 2. quadracies. 
AA. Two narrow pale green or yellow antehumeral stripes, the posterior one very 
close to the humeral suture. 
- Males. 
Abdominal segment 10 convex and slightly swollen dorsally, no tubercle, but 
with a double median group of spinules representing it. Superior appen- 
dages slightly longer than segment 10, each one, in dorsal view, having 
the outer and inner edges almost parallel, apex obliquely truncated back- 
wardly (caudad) and inwardly. (mesad), both the outer and inner angles 
of the truncation slightly produced ; in profile view: curved downward, 
especially in the apical half, terminating in a truncated, crenulate apex. 
Inferior appendage as long as the superiors, widely bifid in its apical 
three-fourths, branches less divaricate than the superiors, with no superior 
teeth or apical tuft, and simple slightly upturned apices; right and left 
sides of the inferior appendage slightly diverging, so that the distance 
between the tips of its branches is more than twice the width of either 
branch at base, interval between the two branches triangular. Abdomen 
37°5-41°5, hind wing 88-36 mm. . . . . ww eee ee ee A Subobtususs. 
Females. 
Spines of the distal half of the antero-inferior row, third femora, much longer 
than the spines on any other part of these, or of the first or second, 
femora, and nearly as long as the tibial spines, femora pale brown; 
pterostigma of front wings 3 mm. long ; occiput with no median eleva- 
tion, but with a well-marked superior tubercle each side. Hind wing 
85mm... ee ee ee eee we ee ww A Sudo btususs. 
g2 
